Name any two animal which do not have blood.
Answers
Answer:
starfish and jelly fish don't have blood.
Answer:
Jellyfish and Flatworms
Related Questions
The four major parts of the adult brain are the ___, diencephalon, the brainstem and the cerebellum.
Answers
The four major parts of the adult brain are the cerebrum, diencephalon, brainstem, and cerebellum.
The four major parts of the adult brain are the cerebrum, diencephalon, brainstem, and cerebellum. The cerebrum is the largest and most prominent part of the brain, responsible for higher cognitive functions such as thinking, memory, and voluntary movements.
The diencephalon, located beneath the cerebrum, includes structures like the thalamus and hypothalamus, which play essential roles in sensory processing, regulation of homeostasis, and hormone production. The brainstem, positioned at the base of the brain, connects the cerebrum and the spinal cord.
It controls basic functions like breathing, heart rate, and consciousness. Lastly, the cerebellum, located at the back of the brain, is primarily responsible for coordinating movement, balance, and posture. Together, these four major parts of the brain work in harmony to support various cognitive, sensory, motor, and regulatory functions, ensuring the proper functioning of the central nervous system.
Learn more about cerebrum here:
https://brainly.com/question/29846378
#SPJ11
Which of the following species is an R-selected species?a.Giant tortoisesb.Mosquitoesc.Elephantsd.Redwoods
Answers
Answer:
b. Mosquitoes
Explanation:
Mosquitoes are an R-selected species.
The diagram shows a cross that is similar to one of Mendel’s pea plant crosses.
What is the dominant phenotype of the offspring in the cross shown?
A.Ff
B.FF
C.blue
d.white
Answers
Answer:
C. blue
Explanation:
In genetics, homo-zygous individuals are those individuals that have the same allele form (i.e., the same allele) for a given gene/locus, whereas heterozygous individuals have different alleles for that gene/locus. Complete dominance is a form of dominance that occurs when the allele that is dominant for a given gene/locus completely masks the effects of the recessive allele in a heterozygous individual. In this case, individuals that are heterozygous (genotype Ff) exhibit a dominant flower-blue phenotype because the dominant 'F' allele completely masks the effect of the recessive 'f' allele; therefore producing a phenotypic ratio of 3:1 in the offspring of a mating between two heterozygous individuals for this single trait.
Which of the following would NOT increase competition in an ecosystem?
O The size of a forest decreasing from 1000 acres to 500 acres
The number of organisms in a rabbit population doubling in six months
Two different species using the same plants for food
A new species of fruit-eating birds moving into an area with insect-eating birds
Answers
The word “soma” means body how does this relate to the meanings of autosome and somatic cell
Answers
If soma means body then somatic cells and autosomes are present in the body
What are autosomes?
One of the 22 numbered pairs of chromosomes that the majority of us have in practically all of the body's cells is called an autosome. We r,eally have 46 chromosomes in these cells, divided into 23 pairs but two of these, the X and Y chromosomes, are referred to by letters rather than numbers and are called sex chromosomes rather than autosomes because they play a role in determining our sex or gender. The 22 pairs of autosomes are identified primarily by their numbers, which are inversely related to their sizes. The smallest chromosome, Chromosome 1, is actually the largest chromosome. It contains about 3,000 genes. Finally, we reach the tiniest chromosomes those who have the highest numbers. You might assume Chromosome 22 since there are only roughly 750 genes on each of the 22 chromosomes, but in reality, Chromosome 22 is not the smallest of the autosomes. When it was first described, we believed it to be, which is how it got its name, 22. Chromosome 21 is actually a little bit smaller than Chromosome 22 as it turns out.What are somatic cells?
The body's somatic cells are those that are neither sperm or egg cells (which are called germ cells). Somatic cells in humans are diploid, which means they have two sets of chromosomes, one from each parent. Somatic cell DNA mutations can have an impact on an individual, but they cannot be passed on to the individual's progeny.All living things are composed of somatic cells, which are the basic building blocks of all organisms. Somatic cells in humans are diploid, which means they have two sets of chromosomes, one set from each parent. Somatic mutations can affect the person who has them but cannot be passed on to their offspring and have no impact on them.Therefore autosomes and somatic cells are related to body as they are present in body
To learn more about autosomes and somatic cells click on the link
https://brainly.com/question/22049014
#SPJ1
5. Which of the following is not a main goal of scientists currently conducting cloning research? a) To successfully clone humans. b) To successfully clone genes. c) To grow tissues that can be used for drug testing. d) To bring species back from the brink of extinction 6. If the allele for having dimples is dominant, what is the phenotype of someone heterozygous for dimples? a) Dd b) DD c) no dimples d) dimples 7. Small, circular DNA molecules separate from the bacterial chromosome that are useful in genetic engineering are called a) vectors b) stem cells c) plasmids d) junk DNA 8. Which of the following statements about human DNA is false? a) The human genome contains about 20,000 genes. b) Approximately 2% of human DNA contains sequences that code for proteins. C) Human DNA is composed of 20 different nucleotide bases, d) It takes approximately 4-6 hours for human DNA to replicate.
Answers
Cloning research refers to the scientific investigation and techniques aimed at creating genetically identical copies of organisms, cells, or genes. Human DNA refers to the genetic material present in humans, which contains the instructions necessary for the development and functioning of our bodies.
5. The correct answer is A. To successfully clone humans is not the main goal of scientists currently conducting cloning research. Other goals include successfully cloning genes, growing tissues that can be used for drug testing, and bringing species back from the brink of extinction.
6. The correct answer is D. Dimples are a dominant trait, so if someone is heterozygous (Dd) for dimples, they will have the phenotype of dimples.
7. The correct answer is C. Small, circular DNA molecules separate from the bacterial chromosome that are useful in genetic engineering are called plasmids. They are often used as vectors to transfer genes between organisms.
8. The correct answer is C. Human DNA is not composed of 20 different nucleotide bases. It is composed of four different nucleotides: adenine (A), guanine (G), cytosine (C), and thymine (T).
Learn more about cloning: https://brainly.com/question/1444102
#SPJ11
I don’t understand this question
Answers
Answer:
I don't know
Explanation:
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions.
Online Content: Site 1
Explain the effects of air pollution on several European countries. (Site 1)
Answers
Answer:
Air pollution harms human health and the environment. In Europe, emissions of many air pollutants have decreased substantially over the past decades, resulting in improved air quality across the region. However, air pollutant concentrations are still too high, and air quality problems persist. A significant proportion of Europe’s population live in areas, especially cities, where exceedances of air quality standards occur: ozone, nitrogen dioxide and particulate matter (PM) pollution pose serious health risks. Several countries have exceeded one or more of their 2010 emission limits for four important air pollutants. Reducing air pollution therefore remains important.
Air pollution is a local, pan-European and hemispheric issue. Air pollutants released in one country may be transported in the atmosphere, contributing to or resulting in poor air quality elsewhere.
Particulate matter, nitrogen dioxide and ground-level ozone, are now generally recognised as the three pollutants that most significantly affect human health. Long-term and peak exposures to these pollutants range in severity of impact, from impairing the respiratory system to premature death. Around 90 % of city dwellers in Europe are exposed to pollutants at concentrations higher than the air quality levels deemed harmful to health. For example, fine particulate matter (PM2.5) in air has been estimated to reduce life expectancy in the EU by more than eight months. Benzo(a)pyrene is a carcinogenic pollutant of increasing concern, with concentrations being above the threshold set to protect human health in several urban areas, especially in central and eastern Europe.
"Air pollution is causing damage to human health and ecosystems. Large parts of the population do not live in a healthy environment, according to current standards. To get on to a sustainable path, Europe will have to be ambitious and go beyond current legislation."
Explanation:
In the big five personality model assesses the degree to which you arevsocialy or antisocial, outgoing or why assertive or passive active or inactive,and talkative or quiet
Answers
The Big Five Personality Model assesses the degree to which one is social or antisocial, outgoing or shy, assertive or passive, active or inactive, and talkative or quiet.
1. Openness: This dimension assesses the degree to which a person is open to new experiences, ideas, and perspectives.
2. Conscientiousness: This dimension assesses the degree to which a person is organized, reliable, and responsible. People who score high on this dimension are dependable, hardworking, and goal-oriented.
3. Extraversion: This dimension assesses the degree to which a person is outgoing, assertive, and sociable. People who score high on this dimension are energized by social interactions and enjoy being the center of attention.
4. Agreeableness: This dimension assesses the degree to which a person is cooperative, empathetic, and caring. People who score high on this dimension are kind, compassionate, and supportive.
5. Neuroticism: This dimension assesses the degree to which a person is anxious, moody, and prone to emotional distress. People who score high on this dimension are more likely to experience negative emotions such as worry, fear, and sadness.
In conclusion, The Big Five Personality Model provides an overview of personality by assessing the degree to which one is social or antisocial, outgoing or shy, assertive or passive, active or inactive, and talkative or quiet.
To know more about degree visit:
https://brainly.com/question/364572
#SPJ11
define and draw turgid cells
Answers
Answer:
turgid cells are the cells which cannot absorb any more water due to process of endosmosis in this case the tumor pressure is equal to the wall pressure
Cells that secrete a lot of substances via active transport need a lot of ___in their cytoplasm.
А)endoplasmic reticulum
B)mitochondria
С)golgi apparatus
D)lysosomes
E)chromosomes
Answers
Answer:
The correct answer is
Explanation:
Lysosomes are used in transportation of cytoplasm.
Hope this helps....
Have a nice day!!!!
A person is receiving oxygen. When measuring temperature, you cannot use the. A. Oral site. B. Rectal site. C. Axillary site. D. Tympanic membrane site.
Answers
When measuring temperature in someone receiving oxygen, the oral, rectal, and axillary sites cannot be used. Instead, the tympanic membrane, or ear canal, site should be used to measure the patient's temperature.
Correct option is A, B, and C.
The tympanic membrane site offers a reliable alternative to traditional temperature measurement sites. The tympanic membrane is located in the ear canal and has a thin, easily accessible surface. This site is not affected by external factors such as food, beverages, changes in the environment, or even oxygen levels. Therefore, the tympanic membrane is the best alternative for measuring temperature in someone receiving oxygen.
Additionally, the tympanic membrane site is particularly useful for those who are uncomfortable having their temperature taken in the traditional oral, rectal, or axillary sites. For example, infants and young children can be less cooperative when having their temperature taken in these areas, but the tympanic membrane site is a more comfortable approach.
Correct option is A, B, and C.
know more about tympanic membrane here
https://brainly.com/question/431166#
#SPJ11
Invertebrates have a higher net production efficiency than mammals. Which statement most likely explains this observation? A. Invertebrates are more abundant than mammals in an ecosystem. B. Mammals maintain their body temperature; invertebrates don't. C. Most mammals are secondary consumers. Most invertebrates are primary consumers. D. Invertebrates have smaller bodies than mammals.
Answers
Answer:
C. Most mammals are secondary consumers. Most invertebrates are primary consumers.
Explanation:
Net production efficiency (NPE) refers to how efficient an organism at one trophic level is in utilizing and transferring energy to the next trophic level. Consumer organisms obtain energy (from biomass) when they feed on other organisms. They then use this energy for their metabolic activities and transfer the rest when eaten or fed on.
The net production efficiency decreases with increasing trophic level because higher organisms use more energy than lower ones. In this case, invertebrates use energy they obtained lesser or more efficiently than mammals, hence, making them have a HIGHER net production efficiency than mammals. Therefore, invertebrates are mostly primary consumers and utilize energy lesser than mammals which are mostly SECONDARY CONSUMERS.
I want to view the mitochondria. It is best that I choose the
scanning electron microscope?
True or false
Answers
Answer:
True
Explanation:
‼️‼️ PLEASE HELP QUICKLY!!!!‼️‼️
A scientist observes plant roots growing through the mountain side. This is evidence for which type of natural process?
•Physical weathering
• Chemical Weathering
• Erosion
Answers
Reason:
✅the plant roots physically crack rocks .
❌Chemical weathering creates a chemical change,
❌and erosion is moving sand or rock from one location to another.
I really need help with this question…
Answers
Answer:
20 cm
Explanation:
hope it helpssssss
Answer:
50 cm
Explanation:
hope it helps
happy valentines
If they have a female child, what is the chance that she will be born with red-green colorblindness?
Answers
Answer:
female child - 1/200 or 0.5%
male child - 1/12 or 8.33333%
Explanation:
It's a common problem that affects around 1 in 12 men and 1 in 200 women.
which organ are affect by tuberculosis
Answers
Mycobacterium tuberculosis, the bacterium that causes tuberculosis (TB), typically affects the lungs but can also affect other bodily organs.
Thus, inflammation and damage to the airways and lung tissue can result from Mycobacterium tuberculosis bacteria entering the lungs, which can cause symptoms including coughing, chest discomfort, and trouble breathing causing tuberculosis.
Depending on where the infection has progressed to in the body, including the kidneys, bones, and lymph nodes, tuberculosis can cause a variety of symptoms if left untreated which is caused by Mycobacterium tuberculosis. In certain situations, TB can harm organs and, in extreme circumstances, may even be fatal.
Learn more about tuberculosis here:
https://brainly.com/question/29481832
#SPJ1
Does the order of the DNA bases matter for translation? Why or why not?
Answers
Question mode multiple select question select all that apply which are found in bile?
Answers
The components of bile include bile salts, cholesterol, potassium and sodium salts, and so on.
What is bile?Bile is fluid found in the gall bladder of advanced animals. It is made in the liver and has a wide range of functions in the body systems of animals.
The functions of the bile include:
Digestion of some food materialsAbsorption functionsExcretory functionsand many moreThe components of bile include:
WaterPotassium and sodium saltsCholesterolsBile saltsBilirubinMetalsMore on bile can be found here: https://brainly.com/question/13142267
#SPJ1
What is one of the outcomes of the death of a star? *
Answers
Answer:After puffing off its outer layers, the star collapses to form a very dense white dwarf. One teaspoon of material from a white dwarf would weigh up to 100 tonnes. Over billions of years, the white dwarf cools and becomes invisible.
Explanation: googel hope it helps
what property of water results from the high cohesion between water molecules?
Answers
Answer:
low density tension
Explanation:
If a particular manufacturer emits less pollution than its allotted cap, it gets an extra allowance and can sell it to other manufacturers. which environmental policy or category governs this process?
Answers
Environmental policy or category governs this process is cap and trade.
What are the three environmental policies?
In the 1970s, the United States government enacted three major environmental laws: the Clean Air Act, the Clean Water Act, and the Toxic Substances Control Act.
Elected representatives passed this environmental legislation to increase regulations regarding air, water, and toxic substances.
Why is environmental policy important?It gives us cleaner water, cleaner air, and a safer and healthier environment.
It provides critical checks and balances on federal planning and decision making, requiring the federal government to consider environmental impacts.
Learn more about environmental policy here:
https://brainly.com/question/3316812#SPJ4which of the following fire-management methods reduces outbreaks of pests and diseases?A. preventing firesB. suppressing a fire altogether C. suppressing a fire at earl
Answers
Controlled burning is an ordinary practice used to acchieve different goals. Controlled burning is a fire-management methods that reduces outbreaks of pests and diseases. Option D is correct.
When talking about controlled burning, we are referring to the use of fire in an ecosystem by an expert team. Controlled fires must be done under specific meteorological conditions. These include temperature range and humidity, among others, to avoid fire expansion.
The expert team must control the fire dimensions and guide it to an end point, which might be a water flow, rocks, a road, among others.
Some ecosystems depend on natural fires to remain stable. When the practice of controlled fire is well-done, it helps to restore these ecosystems' health and to avoid future damages. Controlled fire practice has several land management goals.
Ecosystem health restorationNutrient recycleInvasive species controlPestes / Plagues controlSpace for new native vegetationFlammable fuels reductionIncidental uncontrolled fires reductionAmong these goals, one of the followed goals is to control the outbreaks of pests and diseases.
You will learn more about Controlled burning at
brainly.com/question/1223630
#SPJ4
Full Question ;
which of the following fire-management methods reduces outbreaks of pests and diseases?
A. preventing fires
B. suppressing a fire altogether
C. suppressing a fire at early stages
D. controlled burning
Earth is a ____ system, so the amount of carbon stays relatively constant over time.
Answers
Answer:
Carbon
Explanation:
Which claim is most likely based on pseudoscience?
Answers
Those claims which are not supported by scientific data are most likely to be based on pseudo science.
Other characteristics that help you distinguish between science and pseudoscience are:
Is not falsifiable It cannot be shown to be incorrect. strongly reliant on anecdotes:Personal experiences and testimonies make up the majority of the evidence.uses supporting evidence while disregarding or downplaying opposing evidence.Technobabble is the use of words that appear scientific but are improperly or illogically employed.Lacks a believable mechanism: Given what is known, it is impossible to explain how the claim may operate.Refuses to adapt: Doesn't improve or self-correct.exaggerates or makes outlandish claims: without enough support, makes enormous benefits promises.Confesses certainty: Mentions "evidence" and conveys ideas with total assurance.Demonstrates logical fallacies: Arguments contain logical fallacies. inadequate peer review:Prevents the scientific community from conducting a critical analysisClaims there is a plot to stifle their ideas: Scientific community criticism is a plotTo know more about pseudo science visit:
https://brainly.com/question/604092
#SPJ9
Answer: Seeds should be planted during specific moon cycles to achieve their potential.
Explanation:
Part A:
Which process is responsible for changing the frequency of alleles observed in the medium ground finch population?
A
natural selection
B
selective breeding
C
genetic equilibrium
D
convergent evolution
Part B:
Which BEST describes how the process identified in Part A changed the frequency of alleles?
A
Finches with mutations were unable to survive to reproductive age and did not produce offspring.
B
Finches that mated with individuals with desired traits were better able to survive to reproductive age.
C
Finches that were able to change their genotype to match the environment were most likely to survive.
D
Finches with traits better suited for survival were able to reproduce and pass these traits to their offspring.
Answers
Part B: C
Hope this helps!
A. The process that is responsible for changing the frequency of alleles observed in the medium-ground finch population is selective breeding.
B. The best describes how the process identified in Part A changed the frequency of alleles are finches that mated with individuals with desired traits were better able to survive to reproductive age. The correct options are B and C.
What is selective breeding?Choosing parents with specific traits to breed with one another in order to generate kids with more desired traits is known as selective breeding. For thousands of years, humans have carefully bred a variety of animals and plants, including crop species that produce more.
Through artificial selection, several fruits and vegetables have been enhanced or even created.
Therefore, the correct options are parts A- B and part B- C.
To learn more about selective breeding, refer to the link:
https://brainly.com/question/461245
#SPJ2
what is job of sperm cells?
Answers
Answer:
The function of a sperm is to pass on the necessary biological information required to produce a new organism
student wants to create a liquid volcano. The student observes bubbles in the soft drink prior to opening it.
The student first proceeds to open the soft drink bottle and place it on the floor.
Next the student drops candy tablets into the drink using a rolled piece of paper, so that the tablets are able to fall into the drink continuously. The student notices a very powerful reaction as the drink fizzes and starts to bubble.
In this scenario, what would be the catalyst ?
The candy tablets being added to the drink.
The gasses being released when the drink was first opened.
The piece of paper being placed over the soft drink.
The container that holds the liquid.
Answers
Answer:
The candy tablets are the catalyst in this scenario. When added to the soft drink, they cause a reaction that creates bubbles and fizzing.
Explanation:
By what set of processes could water and carbon can be moved from the atmosphere to deep underground, and then back to the atmosphere again?
Answers
Answer:
Explanation:
For example, in the food chain, plants move carbon from the atmosphere into the biosphere through photosynthesis. They use energy from the sun to chemically combine carbon dioxide with hydrogen and oxygen from water to create sugar molecules.Feb 1, 2019